Cisco Cisco IP Phone 8841 Designanleitung
Cisco Wireless IP Phone 8821 and 8821-EX Wireless LAN Deployment Guide
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• Select Delete to unpair the selected Bluetooth device.
Upgrading Firmware
Cisco Unified Communications Manager
To upgrade the firmware, install the signed COP file for Cisco Unified Communications Manager.
For information on how to install the COP file, refer to the Cisco Unified Communications Manager Operating System
Administrator Guide at this URL:
For information on how to install the COP file, refer to the Cisco Unified Communications Manager Operating System
Administrator Guide at this URL:
http://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/products-
maintenance-guides-list.html
maintenance-guides-list.html
The downloaded phone configuration file is parsed and the device load is identified. The Cisco Wireless IP Phone 8821 or
8821-EX then downloads the firmware files to flash if it is not running the specified image already.
The Load Server can be specified as an alternate TFTP server to retrieve firmware files, which is located in the product specific
configuration section of Cisco Wireless IP Phone 8821 and 8821-EX within Cisco Unified Communications Manager
Administration.